Error code C800-0080 occurs when you try to download an update

Problem

Error code C800-0080 is preceded by the following message:

Can’t process the update. If the problem persists, go to www.xbox.com/support.

This may mean that your console has been tampered with or modified. Therefore, your console can no longer connect to Xbox Live, install software updates, or play new games that require a console software update.